KR910002758A - Method of manufacturing ketal - Google Patents

Method of manufacturing ketal Download PDF

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Publication number
KR910002758A
KR910002758A KR1019900011530A KR900011530A KR910002758A KR 910002758 A KR910002758 A KR 910002758A KR 1019900011530 A KR1019900011530 A KR 1019900011530A KR 900011530 A KR900011530 A KR 900011530A KR 910002758 A KR910002758 A KR 910002758A
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KR
South Korea
Prior art keywords
general formula
compound
alkyl
process according
acid
Prior art date
Application number
KR1019900011530A
Other languages
Korean (ko)
Inventor
라흐하인 스테펜
Original Assignee
오일러, 라피체
훽스트 아크티엔게젤샤프트
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 오일러, 라피체, 훽스트 아크티엔게젤샤프트 filed Critical 오일러, 라피체
Publication of KR910002758A publication Critical patent/KR910002758A/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/50—Preparation of compounds having groups by reactions producing groups
    • C07C41/56—Preparation of compounds having groups by reactions producing groups by condensation of aldehydes, paraformaldehyde, or ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/175—Saturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/58—Separation; Purification; Stabilisation; Use of additives

Abstract

내용 없음No content

Description

케탈의 제조방법Method of manufacturing ketal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (9)

하기 일반식(Ⅱ)의 화합물과 촉매량의 하기 일반식(Ⅲ)의 화합물 및 최소한 동몰량의 하기 일반식(Ⅳ)의 화합물을 산 조건하에 반응시킨 다음 생성된 일반식 HCOOR2의 포름산 에스테르를 증류시켜 하기 일반식(I)의 화합물을 수득함을 포함하는, 하기 일반식(I)의 화합물의 제조방법.The compound of the following general formula (II) and the catalytic amount of the compound of the following general formula (III) and at least an equimolar amount of the compound of the following general formula (IV) are reacted under acidic conditions, and the resulting formic acid ester of the general formula HCOOR 2 is distilled off. A process for producing a compound of formula (I), comprising the step of obtaining a compound of formula (I). 상기식에서, R1은 수소, 알킬, 알케닐 또는 알키닐이고; R2는 알킬이다.Wherein R 1 is hydrogen, alkyl, alkenyl or alkynyl; R 2 is alkyl. 제1항에 있어서, R1이 C1내지 C6알킬이고; R2가 C1내지 C2알킬인 방법.The compound of claim 1, wherein R 1 is C 1 to C 6 alkyl; R 2 is C 1 to C 2 alkyl. 제1항 또는 제2항에 있어서, R1이 1-프로필이고, R2가 에틸 또는 메틸인 방법.The method of claim 1 or 2, wherein R 1 is 1-propyl and R 2 is ethyl or methyl. 제1항 내지 제3항중 어느 한 항에 있어서, 일반식(Ⅲ)의 알콜을 일반식(Ⅱ)의 케톤의 몰당 0.1몰 이하의 양으로 사용하는 방법.The process according to any one of claims 1 to 3, wherein the alcohol of general formula (III) is used in an amount of 0.1 mol or less per mole of ketone of general formula (II). 제4항에 있어서, 케톤(Ⅱ)의 몰당 0.01 내지 0.08몰의 알콜(Ⅲ)을 사용하는 방법.The process according to claim 4, wherein from 0.01 to 0.08 moles of alcohol (III) are used per mole of ketone (II). 제1항 내지 제5항중 어느 한 항에 있어서, 상기 산 조건을 H2SO4, p-톨루엔설폰산, 아세트산, 산 이온 교환체 및 염화 암모늄을 포함하는 그룹으로부터 선택된 촉매량의 산을 첨가하여 형성하는 방법.The acidic condition according to any one of claims 1 to 5, wherein the acid conditions are formed by addition of a catalytic amount of acid selected from the group comprising H 2 SO 4 , p-toluenesulfonic acid, acetic acid, an acid ion exchanger and ammonium chloride. How to. 제1항 내지 제6항중의 어느 한 항에 있어서 일반식(Ⅱ)의 케톤의 몰당 1.0내지 1.1몰의 오르토포름산 에스테르(Ⅳ)를 사용하는 방법.The process according to any one of claims 1 to 6, wherein from 1.0 to 1.1 moles of ortho formic acid ester (IV) are used per mole of ketone of the general formula (II). 제1항 내지 제7항중 어느 한 항에 있어서, 상기 반응을 20℃ 내지 100℃의 온도에서 수행하는 방법.The process according to claim 1, wherein the reaction is carried out at a temperature of 20 ° C. to 100 ° C. 9. 제8항에 있어서, 상기 반응을 40℃ 내지 80℃의 온도에서 수행하는 방법.The method of claim 8, wherein the reaction is carried out at a temperature of 40 ° C. to 80 ° C. 10. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900011530A 1989-07-29 1990-07-28 Method of manufacturing ketal KR910002758A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3925207A DE3925207A1 (en) 1989-07-29 1989-07-29 METHOD FOR PRODUCING KETALES
DEP3925207.8 1989-07-29

Publications (1)

Publication Number Publication Date
KR910002758A true KR910002758A (en) 1991-02-26

Family

ID=6386156

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900011530A KR910002758A (en) 1989-07-29 1990-07-28 Method of manufacturing ketal

Country Status (10)

Country Link
EP (1) EP0416261A1 (en)
JP (1) JPH03204830A (en)
KR (1) KR910002758A (en)
AU (1) AU5986790A (en)
CA (1) CA2022103A1 (en)
DD (1) DD296678A5 (en)
DE (1) DE3925207A1 (en)
HU (1) HUT56052A (en)
IL (1) IL95215A0 (en)
ZA (1) ZA905914B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803244A (en) * 1972-01-03 1974-04-09 Monsanto Co Acetals of 2-alkyl-3-norbornyl propanals
US4340765A (en) * 1980-08-14 1982-07-20 Gray Gary M 4-Phenoxy-2-butene derivatives as plant growth regulators

Also Published As

Publication number Publication date
ZA905914B (en) 1991-04-24
EP0416261A1 (en) 1991-03-13
AU5986790A (en) 1991-01-31
DD296678A5 (en) 1991-12-12
IL95215A0 (en) 1991-06-10
JPH03204830A (en) 1991-09-06
DE3925207A1 (en) 1991-01-31
HUT56052A (en) 1991-07-29
HU904668D0 (en) 1991-01-28
CA2022103A1 (en) 1991-01-30

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